Cathedral priest of the Great Minster in Zurich whose preaching spurred the Zwinglian Reformation
-Evangelical reforms took place
-council abolished relics and images, removed paintings and decorations in churches
-replaced Mass with a liturgy
-abolished all remnants of papal Christianity: monasticism, pilgrimages, clerical celibacy, pope's authority
-1529 Marburg Colloquy: tried to form alliance between Luther and Zwingli, but they disagreed on the idea of transubstantiation.